2008 Mercury Mariner Hybrid: Reliability Data

Source: NHTSA — 177 complaints
177
Total Complaints
72,000mi
Median Mileage
Service Brakes
Top Issue
2
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

58,000 25th Percentile
72,000 Median Mileage
106,002 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Service Brakes
29
Engine
28
Steering
24
Electrical System
22
Fuel/Propulsion System
17
Power Train
15
Vehicle Speed Control
11
Engine And Engine Cooling
9
Unknown Or Other
5
Engine
4

Severity Assessment

2
Crashes
0
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"I HAVE A 2008 MERCURY MARINER HYBRID 4 WHEEL DRIVE. ON OCCASION THE STEERING WILL LOOSE POWER ASSIST WHILE TURNING. THE LOSS OF POWER LASTS FOR A FEW SECONDS BEFORE THE POWER ASSIST RETURNS. THIS PROBLEM IS DANGEROUS AS I HAVE TO COMPENSATE FOR THE LOSS OF STEERING ASSIST BY TURNING THE STEERING ..."
"ON-FREEWAY GAS ENGINE/ELECTRIC MOTOR SHUT-DOWN. DRIVING IN MORNING RUSH-HOUR TRAFFIC APPROXIMATELY 15 MINUTES AFTER COLD START IN 60-DEGREE WEATHER, BOTH THE GASOLINE ENGINE AND THE ELECTRIC MOTOR PROPULSION SYSTEMS SHUT-DOWN TOGETHER WITHOUT PRIOR WARNING WHILE THE VEHICLE WAS IN MOTION - "STOP SAF..."
"ON-FREEWAY GAS ENGINE/ELECTRIC MOTOR SHUT-DOWN. DRIVING IN MORNING RUSH-HOUR TRAFFIC APPROXIMATELY 15 MINUTES AFTER COLD START IN 60-DEGREE WEATHER, BOTH THE GASOLINE ENGINE AND THE ELECTRIC MOTOR PROPULSION SYSTEMS SHUT-DOWN TOGETHER WITHOUT PRIOR WARNING WHILE THE VEHICLE WAS IN MOTION - "STOP SAF..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

Service Brakes 29 complaints
25th: 88,750 mi Median: 122,000 mi 75th: 145,158 mi
Engine 28 complaints
25th: 57,750 mi Median: 67,545 mi 75th: 94,400 mi
Steering 24 complaints
25th: 59,500 mi Median: 100,000 mi 75th: 145,005 mi
Electrical System 22 complaints
25th: 52,000 mi Median: 66,700 mi 75th: 82,000 mi
Fuel/Propulsion System 17 complaints
25th: 64,237 mi Median: 66,700 mi 75th: 97,000 mi

Where Are Complaints Coming From?

Top states by complaint count.

CA: 49 VA: 15 FL: 12 IL: 10 CO: 8 PA: 7 MO: 6 OH: 6 WA: 5 GA: 5

Who Files Complaints?

1.7%
Original Owners
98.3%
Second+ Owners

Mercury Mariner Hybrid — Other Years

See how this model compares across different model years.

YearComplaintsCrashes
2006512
2007401
2009302

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28